1 files changed, 14 insertions, 0 deletions

diff --git a/platform.c b/platform.c
index 1f68df3a6..ee3e06914 100644
--- a/platform.c
+++ b/platform.c
@@ -19,6 +19,9 @@
 #include "includes.h"
 
 #include <sys/types.h>
+#if defined(HAVE_SYS_PRCTL_H)
+#include <sys/prctl.h>  /* For prctl() and PR_SET_DUMPABLE */
+#endif
 
 #include <stdarg.h>
 #include <unistd.h>
@@ -217,3 +220,14 @@ platform_sys_dir_uid(uid_t uid)
 #endif
         return 0;
 }
+
+void
+platform_disable_tracing(int strict)
+{
+#if defined(HAVE_PRCTL) && defined(PR_SET_DUMPABLE)
+        /* Disable ptrace on Linux without sgid bit */
+        if (prctl(PR_SET_DUMPABLE, 0) != 0)
+                if (strict)
+                        fatal("unable to make the process undumpable");
+#endif
+}